/*
 * Copyright (c) 2012 Sean Connelly
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 * associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
 * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

var assert = require('../assert.js').init();
var path = require('path');
var fs = require('fs');
var txs = require('../../src/js/text-stream.js');

exports.run = function(root_dir, test_dir, test_name) {
		var test_data = fs.readFileSync(path.resolve(test_dir, 'test.txt'), 'utf8');

		assert.that('loaded test.txt with more than 20 chars',
			typeof test_data == 'string' && test_data.length > 20);

		var txs_new = function() { // to save typing
				return txs.create(test_data);
			};

		var a = txs_new();
		assert.that('isEOF reports false',
			a.isEOF() === false);

		a.pushExcluding();
		var txt = '';
		for (var i = 0; i < 10; i++)
			txt += a.nextChar();
		var marker = a.popIncluding();
		assert.that('textStream nextChar is consistent with markers',
			txt === test_data.substr(marker.start.pos, marker.stop.pos - marker.start.pos));

		return assert.result();
	};
